Home / 9,580.39-13,220.07-5,331.26

Finding the Fourth Proportional to 9,580.39, 13,220.07 and 5,331.26

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Solution

The fourth proportional to 9,580.39, 13,220.07 and 5,331.26 is: 7,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.39 : 13,220.07 = 5,331.26 : x
  2. Step 2: Convert to fraction form
    9,580.39/13,220.07 = 5,331.26/x
  3. Step 3: Cross multiply
    9,580.39x = 13,220.07 × 5,331.26
  4. Step 4: Simplify right side
    9,580.39x = 70,479,630.39
  5. Step 5: Solve for x
    x = 70,479,630.39/9,580.39
  6. Step 6: Final answer
    x = 7,356.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.